1700451339
1700451340
}
1700451341
1700451342
System.out.println(name+“试图访问B.b2()”);
1700451343
1700451344
b.b2();
1700451345
1700451346
}
1700451347
1700451348
public synchronized void a2(){
1700451349
1700451350
System.out.println(“进入a.a2()”);
1700451351
1700451352
}
1700451353
1700451354
}
1700451355
1700451356
//资源B
1700451357
1700451358
static class B{
1700451359
1700451360
public synchronized void b1(A a){
1700451361
1700451362
String name=Thread.currentThread().getName();
1700451363
1700451364
System.out.println(name+“进入B.b1()”);
1700451365
1700451366
try{
1700451367
1700451368
//休眠1秒,仍然持有锁
1700451369
1700451370
Thread.sleep(1000);
1700451371
1700451372
}catch(Exception e){
1700451373
1700451374
//异常处理
1700451375
1700451376
}
1700451377
1700451378
System.out.println(name+“试图访问A.a2()”);
1700451379
1700451380
a.a2();
1700451381
1700451382
}
1700451383
1700451384
public synchronized void b2(){
1700451385
1700451386
System.out.println(“进入B.b2()”);
1700451387
1700451388
}
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